Finding the Fourth Proportional to 3,956,358.79, 5,460,068.37 and 2,214,202.74
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Solution
The fourth proportional to 3,956,358.79, 5,460,068.37 and 2,214,202.74 is: 3,055,763.89
Step by Step Solution
- Step 1: Write the proportion equation
3,956,358.79 : 5,460,068.37 = 2,214,202.74 : x - Step 2: Convert to fraction form
3,956,358.79/5,460,068.37 = 2,214,202.74/x - Step 3: Cross multiply
3,956,358.79x = 5,460,068.37 × 2,214,202.74 - Step 4: Simplify right side
3,956,358.79x = 12,089,698,345,441.34 - Step 5: Solve for x
x = 12,089,698,345,441.34/3,956,358.79 - Step 6: Final answer
x = 3,055,763.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.